Caster wheel



FIG. 1 is a perspective view of the caster wheel;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of a caster wheel is included for the purpose ofillustrating portions of the article and forms no part of the claimeddesign.

CLAIM The ornamental design for a caster wheel, as shown and described. 